How can short_open_tags affect PHP code execution and compatibility?

Short open tags can affect PHP code execution and compatibility by causing issues with parsing and potentially conflicting with XML declarations. To ensure better compatibility and avoid parsing errors, it is recommended to use the full `<?php` opening tag instead of short open tags `<?`. 

```php
&lt;?php
// Code goes here
?&gt;

Keywords

short_open_tags PHP code execution compatibility syntax error interoperability

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